Ad Management
The Craigslist clone is a ready-made website for hosting classified ads that will allow you to get your own classifieds business up and running in no time.
More Info 
Developer: CloneScriptSoft.com
License: PHP License
Operating System: Linux
mAdserve is world's premier and most advanced open source mobile ad server.
Developer: mAdserve
License: Open Software License
Operating System: Linux, Windows
This class can be used to display interstitial advertising.
Developer: Arturs Sosins
License: GNU General Public License (GPL)
Operating System: Not Available
phpAdsNew is a banner management and tracking system written in PHP.
Developer: phpAdsNew developers
License: GNU General Public License (GPL)
Operating System: UNIX, Win NT, XP, Linux
Openads is an open-source ad server, with an integrated banner management interface and tracking system for gathering statistics.
Developer: Scott Switzer and the rest of the Openads team
License: GNU General Public License (GPL)
Operating System: linux, windows, freebsd, osx, sun
If you own 1 or more websites and want to sell different size banner ads then this tool can be one of the best tool for you.
Developer: Rohit Seth
License: GNU General Public License (GPL)
Operating System: Unix, Win
iJoomla Ad Agency is Joomla Banner/Ads Extension designed to help publishers earn revenue by placing ads on their Joomla sites.
Developer: Merav Knafo
License: GNU General Public License (GPL)
Operating System: Not Available
SmartPPC AD Market is a front-end ad management and serving solution that help you to create your own advertising network where advertiser buyers and publisher sellers are linked.
Developer: Christina
License: GNU General Public License (GPL)
Operating System: linux, unix, apache
Marketing scripts are always popular and Ad Boards are no exception.
Developer: Rohit Seth
License: GNU General Public License (GPL)
Operating System: Linux & Windows
Stylish Text Ads Script can be one of the most useful tools for any webmaster.
Developer: Rohit Seth
License: GNU General Public License (GPL)
Operating System: Linux & Windows